internship-playground/src-php/app/internship/bo/Article.php

<?php
namespace internship\bo;

use n2n\reflection\ObjectAdapter;
use n2n\persistence\orm\attribute\ManyToMany;
use n2n\persistence\orm\attribute\ManyToOne;

class Article extends ObjectAdapter implements \JsonSerializable {
	public int $id;
	public string $categoryName;

	public string $text;

	public string $title;

	#[ManyToMany(Category::class, 'articles')]
	public \ArrayObject $categories;

	/* #[ManyToOne(Comment::class, 'articles')] */
	// public \ArrayObject $comments;

	function basicJsonSerialize() {
		return [
			'id' => $this->id,
			'title' => $this->title,
			'text' => $this->text
		];
	}

    function jsonSerialize(): mixed {

		$basicJson = $this->basicJsonSerialize();

		$basicJson['categoryName'] = $this->categoryName;
		$basicJson['categories'] = $this->categories;

        return $basicJson;
    }
}